Switches, Routers, and Hubs
Most networks today contain a collection of routers, switches and hubs, servers, gateways, and management platforms, populating the core and edge of the network. With the addition of wireless to the network, the infrastructure now moves a bit further out. You should consider the APs as part of the edge of the network, just like the Ethernet switch that a computer's wired network interface card (NIC) plugs into.In addition, most large networks use some type of management platform to configure, monitor, and troubleshoot the network. Because the APs are now part of this infrastructure, they too should be included in the list of managed devices that the management platform can support.Many of the features that you might want to use on the wireless network will need to be supported on the infrastructure. Features such as roaming, virtual LAN (VLAN) tagging, quality of service (QoS), Mobile IP, and Power over Ethernet (PoE) require support on the wired network. The level of support provided on wired devices can vary, and it is important to study the existing wired network to verify that the wired infrastructure can support the desired wireless services. |
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